Grinding Wheel - 250 X 40 X 76 MM - Silicone Carbide - Grit 80 - Grade J (W80J 5V)
https://www.toolsnsafety.com/shop/grinding-wheel-250-x-40-x-76-mm-silicone-carbide-grit-80-grade-j-w80j-5v-4160
https://www.toolsnsafety.com/web/image/product.template/4160/image_1920?unique=c7c0967
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Grit Medium, GRADE Soft, Structure 5, Bond Vitrified